Simplify the expression using the products to powers rule.(-4pqr)2
A. -8pqr
B. 16pqr
C. -8p2q2r2
D. 16p2q2r2
Answer: D
Mathematics
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Use the general multiplication rule to find the indicated probability.You are dealt two cards successively (without replacement) from a shuffled deck of 52 playing cards. Find the probability that the first card is a king and the second card is a queen.
A. 
B. 
C. 
D. 
Mathematics
Determine the additive inverse of the given number.- 
A. 
B. - 
C. - 
D. 
Mathematics
Solve the equation.52n2 + 48n = 0
A. - 
B. - 
, 48
C. 0
D. - 
, 0
Mathematics
Solve the problem.A loan of $8000 is made at 5% interest, compounded annually. After t years, the amount due, A, is given by the function A(t) = 8000(1.05)t .Find the doubling time. Round your answer to the nearest tenth.
A. 22.5 yr B. 41.0 yr C. 28.4 yr D. 14.2 yr
Mathematics